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PDF ALM-2506 Data sheet ( Hoja de datos )
| Número de pieza | ALM-2506 | |
| Descripción | GPS Low Noise Amplifi er Variable Current/Shutdown Function | |
| Fabricantes | AVAGO | |
| Logotipo |  |
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ALM-2506
GPS Low Noise Amplifier Variable Current/Shutdown Function
Data Sheet
Description
Avago Technologies’s ALM-2506 is a LNA designed
for GPS/ISM/Wimax applications in the (0.9-2.4)GHz
frequency range. The LNA uses Avago Technologies’s
proprietary GaAs Enhancement-mode pHEMT process to
achieve high gain operation with very low noise figures
and high linearity. Noise figure distribution is very tightly
controlled. Gain and supply current are guaranteed pa-
rameters. A CMOS compatible shutdown pin is included
to turn the LNA off and provide a variable bias.
The ALM-2506 LNA is useable down to 1V operation.
It achieves low noise figures and high gain even at 1V,
making it suitable for use in critical low power GPS/ISM
band applications.
Package Marking and Orientation
O
BY
WW
Note: Package marking
provides Orientation
and identification:
“B” = Product Code
“Y” = Year
“WW” = Work Week
Top View
Pin Configuration
Pin 6
Pin 5 GND
Pin 4
Bottom View
Pin 1
Pin 2
Pin 3
LNA I/O’s :
1. NC
2. RF_IN
3. NC
4. VSD
5. RF_OUT
6. VDD
Features
Surface Mount 2.0 x 2.0 x 1.1 mm3 MCOB
Advanced GaAs E-pHEMT
Low Noise: 0.8 dB typ
High Gain: 14.3 dB typ
Low component count
High IIP3 and IP1dB
Wide Supply Voltage: 1V to 3.6V
Shutdown current: < 0.1uA
CMOS compatible shutdown pin (VSD) current @ 2.85V:
90uA
Adjustable bias current via one single external resistor/
voltage
Small Footprint: 2x2mm2
Low Profile: 1.1mm typ
Lead free and Halogen free
Ext matching for non-GPS freq band operation
Specifications (25 deg):
At 1.575GHz, 2.85V 8mA (Typ)
Gain = 14.3 dB (Typ)
NF = 0.8 dB (Typ)
IIP3 = 4.7 dBm (Typ)
IP1dB = 1.8 dBm (Typ)
S11 = -11.8 dB (Typ)
S22 = -12.4 dB (Typ)
Note: Measurements obtained using demoboard described in Figure 4.
Simplified Schmatic
VSD
VDD
BIAS
RF_IN
C
C1 Amplifier2
AMP1
RF_OUT
C
C2
1 page  
ALM-2506 Typical Performance Curves, R1 = 18K Ohm (At 25°C unless specified otherwise)
16 1.4
1.2
15
1
14 0.8
13
12
11
2.4
2.6
Figure 8. Gain vs Vdd vs Temp
2.8 3
Vdd (V)
25 deg
-40 deg
85 deg
3.2 3.4
0.6
0.4
0.2
0
2.4
25 deg
-40 deg
85 deg
2.6
Figure 9. NF vs Vdd vs Temp
2.8 3
Vdd (V)
3.2 3.4
7
6
5
4
3
2
1
0
2.4 2.6 2.8
3
Vdd (V)
Figure 10. IIP3 vs Vdd vs Temp
25 deg
-40 deg
85 deg
3.2 3.4
3
2.5
2
1.5
1
0.5
0
2.4
25 deg
-40 deg
85 deg
2.6
2.8 3
Vdd (V)
Figure 11. IP1dB vs Vdd vs Temp
3.2 3.4
12
11
10
9
8
7
6
5
4
2.4 2.6 2.8
3
Vdd (V)
Figure 12. Ids vs Vdd vs Temp
25 deg
-40 deg
85 deg
3.2 3.4
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ALM-2506.PDF ] | |
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